//
//  YYStatusOriginalView.swift
//  YYWeibo
//
//  Created by strongwallyi on 16/1/3.
//  Copyright © 2016年 strongwallyi. All rights reserved.
//  原创微博的内容

import UIKit
import SnapKit

class YYStatusOriginalView: UIView {
    
    //定义当前控件的底部约束
    var bottomConstraint: Constraint?
    
    //当前视图引用的视图模型(里面有模型数据)
    var statusViewModel: YYStatusViewModel?{
        didSet{
            //设置数据
            nameLabel.text = statusViewModel?.status?.user?.screen_name
            //设置头像
            if let urlString = statusViewModel?.status?.user?.profile_image_url{
                iconView.sd_setImageWithURL(NSURL(string: urlString), placeholderImage: UIImage(named: "avatar_default_small"))
            }
            //设置微博内容
            contentLabel.text = statusViewModel?.status?.text
            
            //设置时间和来源
            timeLabel.text = statusViewModel?.createText
            sourceLabel.text = statusViewModel?.sourceText
            
            //设置会员和认证图片
            memberView.image = statusViewModel?.memberImage
            verifiedView.image = statusViewModel?.verifiedImage
            
            //根据当前原创微博是否有配图进行更新约束和隐藏控件
            //卸载掉之前的约束
            bottomConstraint?.uninstall()
            //根据转发微博中是否有图片来显示和隐藏配图控件
            if let picturls = statusViewModel?.status?.pic_urls where picturls.count > 0{
                //有图片
                statusPictureView.hidden = false
                
                //设置要显示的数据
                statusPictureView.picUrls = picturls
                //更改转发微博的约束
                self.snp_updateConstraints { (make) -> Void in
                    bottomConstraint = make.bottom.equalTo(statusPictureView.snp_bottom).offset(YYStatusCellMargin).constraint
                }
            }else{
                statusPictureView.hidden = true
                self.snp_updateConstraints(closure: { (make) -> Void in
                    bottomConstraint = make.bottom.equalTo(contentLabel.snp_bottom).offset(YYStatusCellMargin).constraint
                })
            }
        }
    }

    
    override init(frame: CGRect) {
        super.init(frame: frame)
        
        setupUI()
    }

    required init?(coder aDecoder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
    //设置视图内容
    private func setupUI(){
        
        backgroundColor = UIColor.whiteColor()
        
        // 添加控件
        addSubview(iconView)
        addSubview(nameLabel)
        addSubview(timeLabel)
        addSubview(sourceLabel)
        addSubview(memberView)
        addSubview(verifiedView)
        addSubview(contentLabel)
        addSubview(statusPictureView)
        
        // 添加约束
        iconView.snp_makeConstraints { (make) -> Void in
            make.leading.equalTo(self).offset(YYStatusCellMargin)
            make.top.equalTo(self).offset(YYStatusCellMargin)
            make.size.equalTo(CGSizeMake(YYStatusCellIconViewWH, YYStatusCellIconViewWH))
        }
        
        //认证图标
        verifiedView.snp_makeConstraints { (make) -> Void in
            make.centerX.equalTo(iconView.snp_trailing).offset(-3)
            make.centerY.equalTo(iconView.snp_bottom).offset(-3)
        }
        
        // 名字
        nameLabel.snp_makeConstraints { (make) -> Void in
            make.leading.equalTo(iconView.snp_trailing).offset(YYStatusCellMargin)
            make.top.equalTo(iconView)
        }
        
        // 会员
        memberView.snp_makeConstraints { (make) -> Void in
            make.leading.equalTo(nameLabel.snp_trailing).offset(YYStatusCellMargin)
            make.centerY.equalTo(nameLabel)
        }
        
        // 时间
        timeLabel.snp_makeConstraints { (make) -> Void in
            make.leading.equalTo(nameLabel)
            make.bottom.equalTo(iconView)
        }
        
        // 来源
        sourceLabel.snp_makeConstraints { (make) -> Void in
            make.leading.equalTo(timeLabel.snp_trailing).offset(YYStatusCellMargin)
            make.top.equalTo(timeLabel)
        }
        
        // 内容
        contentLabel.snp_makeConstraints { (make) -> Void in
            make.leading.equalTo(iconView)
            make.top.equalTo(iconView.snp_bottom).offset(YYStatusCellMargin)
            // 约束宽度
            make.width.lessThanOrEqualTo(self.snp_width).offset(2 * -YYStatusCellMargin)
        }
        
        self.snp_makeConstraints { (make) -> Void in
            bottomConstraint = make.bottom.equalTo(statusPictureView).offset(YYStatusCellMargin).constraint
        }
        
        //原创微博添加约束
        statusPictureView.snp_makeConstraints { (make) -> Void in
            make.top.equalTo(contentLabel.snp_bottom).offset(YYStatusCellMargin)
            make.leading.equalTo(contentLabel)
        }
    }
    
    // MARK: - 懒加载控件
    
    // 头像
    private lazy var iconView: UIImageView = UIImageView(image: UIImage(named: "avatar_default_small"))
    // 昵称
    private lazy var nameLabel: UILabel = UILabel(textColor: UIColor.darkGrayColor(), fontSize: 14)
    // 时间与来源的label
    private lazy var timeLabel: UILabel = UILabel(textColor: UIColor.orangeColor(), fontSize: 10)
    private lazy var sourceLabel: UILabel = UILabel(textColor: UIColor.darkGrayColor(), fontSize: 10)
    // 会员图标
    private lazy var memberView: UIImageView = UIImageView(image: UIImage(named: "common_icon_membership_expired"))
    // 认证的图标
    private lazy var verifiedView: UIImageView = UIImageView(image: UIImage(named: "avatar_vip"))
    /// 内容的label
    private lazy var contentLabel: UILabel = {
        let label = UILabel(textColor: UIColor.darkGrayColor(), fontSize: 15)
        // 多行属性
        label.numberOfLines = 0
        return label
    }()
    
    //原创微博的配图视图
    private lazy var statusPictureView: YYStatusPictureView = {
        let statusPictureView = YYStatusPictureView()
        statusPictureView.backgroundColor = self.backgroundColor
        return statusPictureView
    }()
}

